876 DIPTERA OP AUSTRALIA, 



joints with long branches, the last three or four branches a little 

 decreasing in length ; first two branches directed outwards ; the 

 last six joints elliptical, the terminal one narrow, elongate, 

 cylindrical. Thorax black, shining, with yellowish hairs ; pleurpe 

 with greyish or yellowish-grey bloom. Halteres brown with 

 black club. Abdomen reddish -brown (or mahogany colour) with 

 a slightly cupreous appearance, densely clothed with yellowish 

 pubescence, the first segment deep violaceous-black ; forceps 

 (PL XXIV., fig. 68) concolorous with rest of abdomen, armed with' 

 a single claw-shaped appendage. Coxae black, with a hoary bloom. 

 Femora fulvous or reddish-fulvous, with a broad ring of deep brown 

 or black at the apex ; tibiae obscure testaceous, deep brown at 

 extreme base and (more so) at the tip ; tarsi deep brown. Wings 

 with a pale brownish tint owing principally to cloudings on 

 nearly all the veins ; marked with two brown spots ; costal cell 

 and apex of wing pale brownish ; first brown spot squarish, 

 situated at origin of second longitudinal vein, the second larger, 

 extending from costa, at stigma, to inner end of discal cell ; veins 

 dark brown. Auxiliary vein reaching costa opposite inner end 

 of second sub-marginal cell ; sub-costal cross- vein near its tip ; 

 marginal cross-vein situated rather more than its length distant 

 from the tip of first longitudinal vein, and opposite middle of 

 anterior branch of second longitudinal vein ; praefurca moderately 

 long, obtusely arcuated at its origin ; petiole of first sub-marginal 

 cell short, anterior branch of second longitudinal vein arcuated 

 at its base, and gently bending upwards to the costa, about half 

 the length of posterior branch ; the latter bending gently down- 

 wards, arcuated upwards at its extreme tip ; second posterior cell 

 about two-thirds the length of third posterior ; discal cell longer 

 than wide, the great cross-vein at or beyond its middle ; sixth 

 longitudinal vein slightly and seventh distinctly sinuated. 



Hah. — Berrima, N.S.W. Three specimens. 



